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Finding the Fourth Proportional to 484,530.54, 725,996 and 281,556.84

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Solution

The fourth proportional to 484,530.54, 725,996 and 281,556.84 is: 421,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,530.54 : 725,996 = 281,556.84 : x
  2. Step 2: Convert to fraction form
    484,530.54/725,996 = 281,556.84/x
  3. Step 3: Cross multiply
    484,530.54x = 725,996 × 281,556.84
  4. Step 4: Simplify right side
    484,530.54x = 204,409,139,612.64
  5. Step 5: Solve for x
    x = 204,409,139,612.64/484,530.54
  6. Step 6: Final answer
    x = 421,870.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.